At a breakfast diner a cup of coffee costs $2.75 and a muffin is $3.25. What is the sales tax on the two items if the rate was is 7.5%

What is this inequality notation? t is less then or equal to 2

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?